46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
/*
|
||
|
* Arch-specific APEI-related functions.
|
||
|
*/
|
||
|
|
||
|
#include <acpi/apei.h>
|
||
|
|
||
|
#include <asm/mce.h>
|
||
|
#include <asm/tlbflush.h>
|
||
|
|
||
|
int arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data)
|
||
|
{
|
||
|
#ifdef CONFIG_X86_MCE
|
||
|
int i;
|
||
|
struct acpi_hest_ia_corrected *cmc;
|
||
|
struct acpi_hest_ia_error_bank *mc_bank;
|
||
|
|
||
|
cmc = (struct acpi_hest_ia_corrected *)hest_hdr;
|
||
|
if (!cmc->enabled)
|
||
|
return 0;
|
||
|
|
||
|
/*
|
||
|
* We expect HEST to provide a list of MC banks that report errors
|
||
|
* in firmware first mode. Otherwise, return non-zero value to
|
||
|
* indicate that we are done parsing HEST.
|
||
|
*/
|
||
|
if (!(cmc->flags & ACPI_HEST_FIRMWARE_FIRST) ||
|
||
|
!cmc->num_hardware_banks)
|
||
|
return 1;
|
||
|
|
||
|
pr_info("HEST: Enabling Firmware First mode for corrected errors.\n");
|
||
|
|
||
|
mc_bank = (struct acpi_hest_ia_error_bank *)(cmc + 1);
|
||
|
for (i = 0; i < cmc->num_hardware_banks; i++, mc_bank++)
|
||
|
mce_disable_bank(mc_bank->bank_number);
|
||
|
#endif
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
void arch_apei_report_mem_error(int sev, struct cper_sec_mem_err *mem_err)
|
||
|
{
|
||
|
#ifdef CONFIG_X86_MCE
|
||
|
apei_mce_report_mem_error(sev, mem_err);
|
||
|
#endif
|
||
|
}
|